RS
Ruth Simmons — 1940 US Census Record
Model Tree available1940 United States Federal Census · Woodbury-County, Iowa
Our Model Tree links this Ruth Simmons across the 1920, 1930 and 1940 US Censuses in Woodbury-County, Iowa (XGBoost, ~Confirmed), with identified parents Henry & Henry — first a daughter (b.~1899), then head of a 4-person household.
Age 41
b. ~1899
Female
Daughter
Born: Iowa
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Woodbury-County, Iowa |
| Surname | Simmons |
| Given Name | Ruth |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 41 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Grant Twp |
| 1935 Residence (County) | Woodbury |
| Additional Details | |
| Hours Worked | 35 |
| Highest Grade | H-4 |
| 1935 Residence | Iowa |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Township / Ward | Grant Twp |
| Est. Birth Year | ~1899 |
Household Members
Census records only state relationship to the household head.
Pairwise kinship is derived (~90–95% accurate), not recorded.
Step/blended families and boarders can break it.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Ruth | Age | Birth yr |
|---|---|---|---|---|
| Faith Simmons | Daughter | — | 38 | ~1902 |
| Grace Simmons | Spouse | — | 61 | ~1879 |
| Ruth Simmons | Daughter | — | 41 | ~1899 |
| Fern Simmons | Daughter | — | 35 | ~1905 |
Census Appearances
1920
Woodbury, Iowa
Daughter, age 20
Woodbury, Iowa · implied b. ~1900 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Simmon |
| Given Name | Ruth |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Iowa |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1930
Woodbury, Iowa
Daughter, age 31
Woodbury, Iowa · implied b. ~1899 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Simmon |
| Given Name | Ruth G |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 31 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Iowa |
| Occupation | Dressmaker |
| Industry | At Home |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Woodbury-County, Iowa
Daughter, age 41
Woodbury-County, Iowa · implied b. ~1899 — 4 household members
| Surname | Simmons |
| Given Name | Ruth |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 41 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Grant Twp |
| 1935 Residence (County) | Woodbury |
| Hours Worked | 35 |
| Highest Grade | H-4 |
| 1935 Residence | Iowa |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
Model Tree
An inferred pedigree reconstructed from census links — up to 4 generations within the 1900–1950 window. Closer generations are built from household co-residence; deeper ones are bridged by following a relative to their own childhood census. Confidence compounds and weakens with each generation.
Our Model Tree links Ruth Simmons across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Henry Simmon (~0.92 confidence) and father Henry Simmon (~0.92 confidence) and mother Grace Simmons (~0.92 confidence) and mother Ida Simmon (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Henry Simmon
b. ~1862
Source father
● Household
· direct · ~0.92
Father
Henry Simmon
b. ~1863
Source father
● Household
· direct · ~0.92
Mother
Grace Simmons
b. ~1879
Source mother
● Household
· direct · ~0.92
Mother
Ida Simmon
b. ~1879
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Ruth Simmons
Daughter · 1940 · age 41 · b. ~1899 · Iowa
★ You are viewing this record
Sibling
Faith Simmons
Sibling · 1940 · age 38
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Fern Simmons
Sibling · 1940 · age 35
Source co-child of head (derived)
● Co-child · derived · ~0.88
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Woodbury-County, Iowa
Open full size
1940 US Federal Census — Woodbury-County, Iowa
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01214-00148)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Grace Simmons | 61 | Wife | Housewife | Iowa |
| 2 | Ruth Simmons THIS PERSON | 41 | Daughter | — | Iowa |
| 3 | Faith Simmons | 38 | Daughter | Housework | Iowa |
| 4 | Fern Simmons | 35 | Daughter | Teacher | Iowa |
| 5 | Roy Salisbury | 45 | Head | Farmer | Iowa |
| 6 | Esther Salisbury | 37 | Wife | Housewife | Nebr |
| 7 | Glen Salisbury | 16 | Son | — | Iowa |
| 8 | Kenneth Salisbury | 15 | Son | — | Iowa |
| 9 | Darlene Salisbury | 6 | Daughter | — | Iowa |
| 10 | Deanna Salisbury | 2 | Daughter | — | Iowa |
| 11 | Jesse Ellis | 55 | Head | Laborer | Nebr |
| 12 | Katherine Ellis | 50 | Wife | Housewife | Iowa |
| 13 | Wilma Ellis | 27 | Daughter | — | Iowa |
| 14 | J. R. Carter | 53 | Head | Farmer | Nebr |
| 15 | Laura Carter | 52 | Wife | Housewife | Iowa |
| 16 | Donald Carter | 12 | Son | — | Iowa |
| 17 | J. H. Phillips | 37 | Head | Farmer | Iowa |
| 18 | Elsie Phillips | 26 | Wife | — | Iowa |
| 19 | Colleen Phillips | 3 | Daughter | — | Iowa |
| 20 | De Forest Miller | 44 | Head | Farmer | Iowa |
| 21 | Richard Beeson | 46 | Head | Farmer | Iowa |
| 22 | Beatrice Beeson | 44 | Wife | — | Iowa |
| 23 | Betty Beeson | 21 | Daughter | — | Iowa |
| 24 | Norman Beeson | 19 | Son | — | Iowa |
| 25 | Joe Green | 18 | Nephew | — | Iowa |
| 26 | George Fuller | 53 | Head | Farmer | Iowa |
| 27 | Mattie Fuller | 48 | Wife | — | Iowa |
| 28 | Ronne Belle Fuller | 16 | Daughter | — | Iowa |
| 29 | Charlie Phillips | 48 | Head | Farmer | Iowa |
| 30 | Katherine Phillips | 48 | Wife | — | Iowa |
| 31 | Paul Phillips | 24 | Son | Farmer | Iowa |
| 32 | Elena Phillips | 19 | Daughter | — | Iowa |
| 33 | Wilbur Parkhill | 26 | Head | Farmer | Iowa |
| 34 | Caroline Parkhill | 20 | Wife | — | Iowa |
| 35 | Vera Rader | 47 | Head | — | Iowa |
| 36 | Gardner Eli Rader | 24 | Son | — | Iowa |
| 37 | Marion Rader | 21 | Son | — | Iowa |
| 38 | Floyd Coles | 48 | Head | Farmer | Iowa |
| 39 | Lillian Coles | 44 | Wife | — | Maine |
| 40 | Frank Dickman | 35 | Head | Farmer | Iowa |
Pedigree Summary
Ruth + 2 siblings
Gen 1 · 4 parents
~0.92
Max depth 4 (1900–1950 window)
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1940 United States Federal Census (NARA). Our Model Tree links this person across census decades using XGBoost-based record linkage, with per-link confidence scores. Household corroboration strengthens the signal when co-residents appear on the same census pages in multiple years.
Source: National Archives and Records Administration (NARA)